Block Install !exclusive! - Solidworks Host File

: You must change the file type filter in the bottom-right corner of the open dialog from "Text Documents ( .txt)" to **"All Files ( .*)"** to see the file named simply "hosts". 3. Edit and Clean the File

: Some antivirus programs (e.g., SentinelOne or ZoneAlarm) may lock or modify the hosts file to prevent unauthorized communication, inadvertently blocking legitimate SOLIDWORKS traffic. How to Fix a SOLIDWORKS Host File Block

Editing a Hosts File on Windows, Linux, and macOS | MasterDC solidworks host file block install

After saving the hosts file, open the as administrator and type: ipconfig /flushdns This ensures Windows immediately recognizes the changes you made.

Search the file for any lines containing "solidworks" or "activation". : You must change the file type filter

: If the hosts file contains entries that redirect SOLIDWORKS domains (like those for activation or updates) to an invalid IP like 0.0.0.0 or 127.0.0.1 , the installer cannot reach the required external servers.

: If a line begins with an IP followed by a SOLIDWORKS-related URL, delete that line or add a # at the start of it to "comment it out". How to Fix a SOLIDWORKS Host File Block

Standard users cannot save changes to system files. You must right-click in the Start menu and select Run as Administrator . 2. Locate the Hosts File

: If you are using SOLIDWORKS PDM and cannot connect to your server, you may actually need to add an entry to help the system find it. On a new line, type the [Server IP] followed by a [Server Name] . 4. Flush the DNS Cache

In Notepad, go to and navigate to: C:\Windows\System32\drivers\etc\